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package cgeo.geocaching.gcvote;
import static org.assertj.core.api.Assertions.assertThat;
import cgeo.geocaching.test.AbstractResourceInstrumentationTestCase;
import cgeo.geocaching.test.R;
import cgeo.geocaching.utils.LeastRecentlyUsedMap;
import cgeo.geocaching.utils.Log;
import cgeo.geocaching.utils.MatcherWrapper;
import org.apache.commons.lang3.StringUtils;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.regex.Pattern;
public class GCVoteTest extends AbstractResourceInstrumentationTestCase {
private String response;
private InputStream responseStream;
@Override
protected void setUp() throws Exception {
super.setUp();
response = getFileContent(R.raw.gcvote);
responseStream = new ByteArrayInputStream(response.getBytes());
responseStream.mark(response.getBytes().length + 1);
}
private InputStream responseStream() {
try {
responseStream.reset();
} catch (final IOException ignored) {
// Cannot happen
}
return responseStream;
}
public void testGetRatingsByGeocode() {
final Map<String, GCVoteRating> ratings = GCVote.getRatingsFromXMLResponse(responseStream(), false);
assertThat(ratings).hasSize(10);
assertThat(ratings).containsKey("GCKF13");
assertThat(ratings.get("GC1WEVZ")).isEqualToComparingFieldByField(new GCVoteRating(3.75f, 2, 0));
}
public void testGetRatingsByGuid() {
final Map<String, GCVoteRating> ratings = GCVote.getRatingsFromXMLResponse(responseStream(), true);
assertThat(ratings).hasSize(10);
assertThat(ratings).containsKey("a02894bb-4a08-4c09-a73c-25939894ba15");
assertThat(ratings.get("5520c33b-3941-45ca-9056-ea655dbaadf7")).isEqualToComparingFieldByField(new GCVoteRating(3.75f, 2, 0));
}
public void testBenchmark() {
benchmarkXML(1000);
benchmarkRegex(1000);
}
public void testCompareResults() {
for (int i = 0; i < 2; i++) {
final boolean requestByGuids = i == 0;
final Map<String, GCVoteRating> xmlRatings = GCVote.getRatingsFromXMLResponse(responseStream(), requestByGuids);
final Map<String, GCVoteRating> regexRatings = getRatingsRegex(response, requestByGuids);
assertThat(xmlRatings.keySet()).containsExactlyElementsOf(regexRatings.keySet());
for (final Entry<String, GCVoteRating> entry: xmlRatings.entrySet()) {
assertThat(entry.getValue()).isEqualToComparingFieldByField(regexRatings.get(entry.getKey()));
}
}
}
private void benchmarkXML(final int occurrences) {
final long start = System.currentTimeMillis();
for (int i = 0; i < occurrences; i++) {
GCVote.getRatingsFromXMLResponse(responseStream(), false);
}
Log.d("XML GCVote parsing (current) in ms (" + occurrences + " times): " + (System.currentTimeMillis() - start));
}
private void benchmarkRegex(final int occurrences) {
final long start = System.currentTimeMillis();
for (int i = 0; i < occurrences; i++) {
getRatingsRegex(response, false);
}
Log.d("Regex GCVote parsing (old) in ms (" + occurrences + " times): " + (System.currentTimeMillis() - start));
}
public static final float NO_RATING = 0;
private static final Pattern PATTERN_LOG_IN = Pattern.compile("loggedIn='([^']+)'", Pattern.CASE_INSENSITIVE);
private static final Pattern PATTERN_GUID = Pattern.compile("cacheId='([^']+)'", Pattern.CASE_INSENSITIVE);
private static final Pattern PATTERN_WAYPOINT = Pattern.compile("waypoint='([^']+)'", Pattern.CASE_INSENSITIVE);
private static final Pattern PATTERN_RATING = Pattern.compile("voteAvg='([0-9.]+)'", Pattern.CASE_INSENSITIVE);
private static final Pattern PATTERN_VOTES = Pattern.compile("voteCnt='([0-9]+)'", Pattern.CASE_INSENSITIVE);
private static final Pattern PATTERN_VOTE = Pattern.compile("voteUser='([0-9.]+)'", Pattern.CASE_INSENSITIVE);
private static final Pattern PATTERN_VOTE_ELEMENT = Pattern.compile("<vote ([^>]+)>", Pattern.CASE_INSENSITIVE);
private static final int MAX_CACHED_RATINGS = 1000;
private static final LeastRecentlyUsedMap<String, GCVoteRating> RATINGS_CACHE = new LeastRecentlyUsedMap.LruCache<>(MAX_CACHED_RATINGS);
private static Map<String, GCVoteRating> getRatingsRegex(final String page, final boolean requestByGuids) {
final Map<String, GCVoteRating> ratings = new HashMap<>();
try {
final MatcherWrapper matcherVoteElement = new MatcherWrapper(PATTERN_VOTE_ELEMENT, page);
while (matcherVoteElement.find()) {
String voteData = matcherVoteElement.group(1);
if (voteData == null) {
continue;
}
String id = null;
String guid = null;
final MatcherWrapper matcherGuid = new MatcherWrapper(PATTERN_GUID, voteData);
if (matcherGuid.find()) {
if (matcherGuid.groupCount() > 0) {
guid = matcherGuid.group(1);
if (requestByGuids) {
id = guid;
}
}
}
if (!requestByGuids) {
final MatcherWrapper matcherWp = new MatcherWrapper(PATTERN_WAYPOINT, voteData);
if (matcherWp.find()) {
if (matcherWp.groupCount() > 0) {
id = matcherWp.group(1);
}
}
}
if (id == null) {
continue;
}
boolean loggedIn = false;
final MatcherWrapper matcherLoggedIn = new MatcherWrapper(PATTERN_LOG_IN, page);
if (matcherLoggedIn.find()) {
if (matcherLoggedIn.groupCount() > 0) {
if (matcherLoggedIn.group(1).equalsIgnoreCase("true")) {
loggedIn = true;
}
}
}
float rating = NO_RATING;
try {
final MatcherWrapper matcherRating = new MatcherWrapper(PATTERN_RATING, voteData);
if (matcherRating.find()) {
rating = Float.parseFloat(matcherRating.group(1));
}
} catch (NumberFormatException e) {
Log.w("GCVote.getRating: Failed to parse rating", e);
}
if (!GCVote.isValidRating(rating)) {
continue;
}
int votes = -1;
try {
final MatcherWrapper matcherVotes = new MatcherWrapper(PATTERN_VOTES, voteData);
if (matcherVotes.find()) {
votes = Integer.parseInt(matcherVotes.group(1));
}
} catch (NumberFormatException e) {
Log.w("GCVote.getRating: Failed to parse vote count", e);
}
if (votes < 0) {
continue;
}
float myVote = NO_RATING;
if (loggedIn) {
try {
final MatcherWrapper matcherVote = new MatcherWrapper(PATTERN_VOTE, voteData);
if (matcherVote.find()) {
myVote = Float.parseFloat(matcherVote.group(1));
}
} catch (NumberFormatException e) {
Log.w("GCVote.getRating: Failed to parse user's vote", e);
}
}
if (StringUtils.isNotBlank(id)) {
GCVoteRating gcvoteRating = new GCVoteRating(rating, votes, myVote);
ratings.put(id, gcvoteRating);
RATINGS_CACHE.put(guid, gcvoteRating);
}
}
} catch (RuntimeException e) {
Log.e("GCVote.getRating", e);
}
return ratings;
}
}
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